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Finding the Fourth Proportional to 71,507.08, 107,255.22 and 29,375.68

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Solution

The fourth proportional to 71,507.08, 107,255.22 and 29,375.68 is: 44,061.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,507.08 : 107,255.22 = 29,375.68 : x
  2. Step 2: Convert to fraction form
    71,507.08/107,255.22 = 29,375.68/x
  3. Step 3: Cross multiply
    71,507.08x = 107,255.22 × 29,375.68
  4. Step 4: Simplify right side
    71,507.08x = 3,150,695,021.05
  5. Step 5: Solve for x
    x = 3,150,695,021.05/71,507.08
  6. Step 6: Final answer
    x = 44,061.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.